Bath accessory post



FIG. 1 is a top, front, and left side perspective view of a bath accessory post showing my new design, the broken-line disclosure of a towel bar and additional post being for illustrative purposes only and forming no part of the claimed design;

FIG. 2 is a side view thereof, the opposite side being a mirror image of the side shown; and,

FIG. 3 is a front elevational view thereof. 

The ornamental design for a bath accessory post, as shown and described. 